color_aliceblue = 'aliceblue'
color_antiquewhite = 'antiquewhite'
color_aqua = 'aqua'
color_aquamarine = 'aquamarine'
color_azure = 'azure'
color_beige = 'beige'
color_bisque = 'bisque'
color_black = 'black'
color_blanchedalmond = 'blanchedalmond'
color_blue = 'blue'
color_blueviolet = 'blueviolet'
color_brown = 'brown'
color_burlywood = 'burlywood'
color_cadetblue = 'cadetblue'
color_chartreuse = 'chartreuse'
color_chocolate = 'chocolate'
color_coral = 'coral'
color_cornflowerblue = 'cornflowerblue'
color_cornsilk = 'cornsilk'
color_crimson = 'crimson'
color_cyan = 'cyan'
color_darkblue = 'darkblue'
color_darkcyan = 'darkcyan'
color_darkgoldenrod = 'darkgoldenrod'
color_darkgray = 'darkgray'
color_darkgreen = 'darkgreen'
color_darkgrey = 'darkgrey'
color_darkkhaki = 'darkkhaki'
color_darkmagenta = 'darkmagenta'
color_darkolivegreen = 'darkolivegreen'
color_darkorange = 'darkorange'
color_darkorchid = 'darkorchid'
color_darkred = 'darkred'
color_darksalmon = 'darksalmon'
color_darkseagreen = 'darkseagreen'
color_darkslateblue = 'darkslateblue'
color_darkslategray = 'darkslategray'
color_darkslategrey = 'darkslategrey'
color_darkturquoise = 'darkturquoise'
color_darkviolet = 'darkviolet'
color_deeppink = 'deeppink'
color_deepskyblue = 'deepskyblue'
color_dimgray = 'dimgray'
color_dimgrey = 'dimgrey'
color_dodgerblue = 'dodgerblue'
color_firebrick = 'firebrick'
color_floralwhite = 'floralwhite'
color_forestgreen = 'forestgreen'
color_fuchsia = 'fuchsia'
color_gainsboro = 'gainsboro'
color_ghostwhite = 'ghostwhite'
color_gold = 'gold'
color_goldenrod = 'goldenrod'
color_gray = 'gray'
color_grey = 'grey'
color_green = 'green'
color_greenyellow = 'greenyellow'
color_honeydew = 'honeydew'
color_hotpink = 'hotpink'
color_indianred = 'indianred'
color_indigo = 'indigo'
color_ivory = 'ivory'
color_khaki = 'khaki'
color_lavender = 'lavender'
color_lavenderblush = 'lavenderblush'
color_lawngreen = 'lawngreen'
color_lemonchiffon = 'lemonchiffon'
color_lightblue = 'lightblue'
color_lightcoral = 'lightcoral'
color_lightcyan = 'lightcyan'
color_lightgoldenrodyellow = 'lightgoldenrodyellow'
color_lightgray = 'lightgray'
color_lightgreen = 'lightgreen'
color_lightgrey = 'lightgrey'
color_lightpink = 'lightpink'
color_lightsalmon = 'lightsalmon'
color_lightseagreen = 'lightseagreen'
color_lightskyblue = 'lightskyblue'
color_lightslategray = 'lightslategray'
color_lightslategrey = 'lightslategrey'
color_lightsteelblue = 'lightsteelblue'
color_lightyellow = 'lightyellow'
color_lime = 'lime'
color_limegreen = 'limegreen'
color_linen = 'linen'
color_magenta = 'magenta'
color_maroon = 'maroon'
color_mediumaquamarine = 'mediumaquamarine'
color_mediumblue = 'mediumblue'
color_mediumorchid = 'mediumorchid'
color_mediumpurple = 'mediumpurple'
color_mediumseagreen = 'mediumseagreen'
color_mediumslateblue = 'mediumslateblue'
color_mediumspringgreen = 'mediumspringgreen'
color_mediumturquoise = 'mediumturquoise'
color_mediumvioletred = 'mediumvioletred'
color_midnightblue = 'midnightblue'
color_mintcream = 'mintcream'
color_mistyrose = 'mistyrose'
color_moccasin = 'moccasin'
color_navajowhite = 'navajowhite'
color_navy = 'navy'
color_oldlace = 'oldlace'
color_olive = 'olive'
color_olivedrab = 'olivedrab'
color_orange = 'orange'
color_orangered = 'orangered'
color_orchid = 'orchid'
color_palegoldenrod = 'palegoldenrod'
color_palegreen = 'palegreen'
color_paleturquoise = 'paleturquoise'
color_palevioletred = 'palevioletred'
color_papayawhip = 'papayawhip'
color_peachpuff = 'peachpuff'
color_peru = 'peru'
color_pink = 'pink'
color_plum = 'plum'
color_powderblue = 'powderblue'
color_purple = 'purple'
color_red = 'red'
color_rosybrown = 'rosybrown'
color_royalblue = 'royalblue'
color_saddlebrown = 'saddlebrown'
color_salmon = 'salmon'
color_sandybrown = 'sandybrown'
color_seagreen = 'seagreen'
color_seashell = 'seashell'
color_sienna = 'sienna'
color_silver = 'silver'
color_skyblue = 'skyblue'
color_slateblue = 'slateblue'
color_slategray = 'slategray'
color_slategrey = 'slategrey'
color_snow = 'snow'
color_springgreen = 'springgreen'
color_steelblue = 'steelblue'
color_tan = 'tan'
color_teal = 'teal'
color_thistle = 'thistle'
color_tomato = 'tomato'
color_turquoise = 'turquoise'
color_violet = 'violet'
color_wheat = 'wheat'
color_white = 'white'
color_whitesmoke = 'whitesmoke'
color_yellow = 'yellow'
color_yellowgreen = 'yellowgreen'

color_arrow = color_lightgrey